openSUSE Tumbleweed 20190829 have conflicted package.

When trying to install both cinnamon-session and telegram-desktop, it will have conflict package concerning libqt5-qtstyleplugins-platformtheme-gtk2.

Problem: cinnamon-session-4.2.1-1.1.x86_64 requires libqt5-qtstyleplugins-platformtheme-gtk2, but this requirement cannot be provided
  not installable providers: libqt5-qtstyleplugins-platformtheme-gtk2-5.0.0+git20170311-6.11.i586[repo-oss]
                   libqt5-qtstyleplugins-platformtheme-gtk2-5.0.0+git20170311-6.11.x86_64[repo-oss]
 Solution 1: deinstallation of telegram-desktop-1.8.2-1.1.x86_64
 Solution 2: do not install cinnamon-session-4.2.1-1.1.x86_64
 Solution 3: break cinnamon-session-4.2.1-1.1.x86_64 by ignoring some of its dependencies